/* Базовые стили - извлечены из product.txt */
:root {
    --primary: #2563eb;
    --primary-light: #60a5fa;
    --primary-dark: #1d4ed8;
    --dark: #1e293b;
    --light: #ffffff;
    --gray-light: #f8fafc;
    --gray: #cbd5e1;
    --gray-dark: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.06);
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.4;
    font-size: 14px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
}

.header-compact {
    background: var(--light);
    border-bottom: 1px solid var(--gray);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 8px 0;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.logo-mini {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.logo-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}

.logo-text span {
    color: var(--primary);
}

.nav-compact {
    display: flex;
    gap: 12px;
    align-items: center;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border-radius: 6px;
    background: var(--gray-light);
    border: 1px solid var(--gray);
    color: var(--dark);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.ad-page {
    padding: 15px 0 60px;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 15px;
    font-size: 12px;
    color: var(--gray-dark);
    flex-wrap: wrap;
}

.breadcrumb-link {
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

.gallery-compact {
    position: relative;
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    height: 250px;
}

@media (min-width: 768px) {
    .gallery-compact {
        height: 350px;
    }
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-badges {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 6px;
}

.gallery-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    color: white;
}

.badge-premium {
    background: linear-gradient(135deg, var(--warning), #fbbf24);
}

.badge-top {
    background: linear-gradient(135deg, var(--primary), #60a5fa);
}

.promo-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

.promo-plan-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    background: var(--gray-light);
    cursor: pointer;
    transition: var(--transition);
}

.promo-plan-card:hover {
    border-color: var(--primary);
    background: #eef2ff;
}

.promo-plan-card.selected {
    border-color: var(--primary);
    background: #e0e7ff;
    box-shadow: var(--card-shadow);
}

.promo-plan-title {
    font-weight: 700;
    margin-bottom: 6px;
}

.promo-plan-price {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
}

.promo-plan-days {
    font-size: 12px;
    color: var(--gray-dark);
    margin-top: 2px;
}

.promo-plan-desc {
    font-size: 12px;
    color: var(--gray-dark);
    margin-top: 6px;
}

.promo-balance {
    font-size: 13px;
    margin-bottom: 12px;
}

.badge-hot {
    background: var(--danger);
}

.gallery-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
}

.gallery-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
}

.gallery-counter {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.thumbnails-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-bottom: 15px;
}

@media (max-width: 480px) {
    .thumbnails-compact {
        grid-template-columns: repeat(3, 1fr);
    }
}

.thumbnail-sm {
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
}

.thumbnail-sm.active {
    border-color: var(--primary);
}

.thumbnail-sm img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ad-header-compact {
    margin-bottom: 15px;
}

.ad-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.3;
}

.ad-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 10px;
}

.price-current {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}

.price-old {
    font-size: 14px;
    color: var(--gray-dark);
    text-decoration: line-through;
}

.ad-location {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-dark);
    font-size: 12px;
    margin-bottom: 10px;
}

.tags-compact {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.tag {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    background: var(--gray-light);
    border-radius: 12px;
    font-size: 11px;
    color: var(--dark);
}

.tag i {
    color: var(--primary);
    font-size: 10px;
}

.specs-grid-compact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--gray-light);
    border-radius: 10px;
}

@media (max-width: 480px) {
    .specs-grid-compact {
        grid-template-columns: 1fr;
    }
}

.spec-item-sm {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.spec-label {
    color: var(--gray-dark);
    font-size: 12px;
}

.spec-value {
    font-weight: 600;
    font-size: 12px;
}

.show-more-btn {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--gray);
    border-radius: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.show-more-btn:hover {
    background: rgba(37, 99, 235, 0.05);
}

.accordion-section {
    margin-bottom: 10px;
    border: 1px solid var(--gray);
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    padding: 12px 15px;
    background: var(--gray-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.accordion-title {
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.accordion-content {
    padding: 15px;
    display: none;
    font-size: 13px;
    line-height: 1.5;
}

.accordion-content.active {
    display: block;
}

.seller-compact {
    background: var(--gray-light);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
}

.seller-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.seller-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary);
}

.seller-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.seller-info h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.seller-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--warning);
}

.seller-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

.stat-item-sm {
    text-align: center;
    padding: 8px;
    background: white;
    border-radius: 6px;
}

.stat-number {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2px;
}

.stat-label {
    font-size: 10px;
    color: var(--gray-dark);
}

.seller-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.action-btn-sm {
    padding: 10px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.action-btn-primary {
    background: var(--primary);
    color: white;
}

.action-btn-primary:hover {
    background: var(--primary-dark);
}

.action-btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.action-btn-outline:hover {
    background: rgba(37, 99, 235, 0.05);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.feature-item {
    padding: 10px;
    background: var(--gray-light);
    border-radius: 8px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.feature-item i {
    color: var(--primary);
    font-size: 12px;
}

.similar-compact {
    margin-bottom: 20px;
}

.similar-scroll {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: none;
}

.similar-scroll::-webkit-scrollbar {
    display: none;
}

.similar-card {
    min-width: 180px;
    background: white;
    border: 1px solid var(--gray);
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.similar-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.similar-image {
    height: 100px;
    overflow: hidden;
}

.similar-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.similar-info {
    padding: 10px;
}

.similar-title {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
    height: 32px;
    overflow: hidden;
}

.similar-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
}

.fixed-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    border-top: 1px solid var(--gray);
    padding: 10px;
    display: flex;
    gap: 10px;
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.action-icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--gray);
    background: white;
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
}

.action-icon-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.action-main-btn {
    flex: 1;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.action-main-btn:hover {
    background: var(--primary-dark);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.modal-content {
    background: var(--light);
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    padding: 15px;
    border-bottom: 1px solid var(--gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
    border-radius: 12px 12px 0 0;
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
}

.close-modal {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-dark);
    cursor: pointer;
}

.modal-body {
    padding: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 13px;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.price-history {
    margin-top: 15px;
}

.price-chart {
    height: 100px;
    background: var(--gray-light);
    border-radius: 8px;
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
}

.notification {
    position: fixed;
    top: 60px;
    right: 10px;
    background: var(--primary);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    z-index: 1000;
    animation: slideIn 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

@keyframes slideIn {
    from { transform: translateX(100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@media (min-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .ad-title {
        font-size: 20px;
    }
    
    .price-current {
        font-size: 28px;
    }
    
    .gallery-compact {
        height: 350px;
    }
    
    .fixed-actions {
        display: none;
    }
    
    .desktop-actions {
        display: flex;
        gap: 10px;
        margin-top: 20px;
    }
}

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }